import java.util.Scanner;

public class shucha{
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        System.out.print("输入第一个整数：");
        int num1 = scanner.nextInt();
        System.out.print("输入第二个整数：");
        int num2 = scanner.nextInt();

        int sum = num1 + num2;
        int difference = num1 - num2;

        System.out.println("两数之和：" + sum);
        System.out.println("两数之差：" + difference);

        scanner.close();
    }
}